51282320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5881}}^1$

素因数の和:6003

約数の個数: 40

約数和(自身を含む): 120345720

約数和(自身を除く): 69063400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 5881, 8720, 11762, 23524, 29405, 47048, 58810, 94096, 117620, 235240, 470480, 641029, 1282058, 2564116, 3205145, 5128232, 6410290, 10256464, 12820580, 25641160, 51282320]

約数ペア:

[(1, 51282320), (2, 25641160), (4, 12820580), (5, 10256464), (8, 6410290), (10, 5128232), (16, 3205145), (20, 2564116), (40, 1282058), (80, 641029), (109, 470480), (218, 235240), (436, 117620), (545, 94096), (872, 58810), (1090, 47048), (1744, 29405), (2180, 23524), (4360, 11762), (5881, 8720)]